Unable to read repository at file:/C:/Users/Swarupa Nand Pandey/.p2/org.eclipse.equinox.p2.repository/cache/compositeContent-553248371.xml
The declaration for the entity "ContentType" must end with '>'.

Cannot complete the install because one or more required items could not be found.
Software being installed: CallGraph Viewer 0.9.4.201401211240 (net.certiv.callgraph.feature.feature.group 0.9.4.201401211240)
Missing requirement: CallGraph Viewer 0.9.4.201401211240 (net.certiv.callgraph.feature.feature.group 0.9.4.201401211240) requires 'org.eclipse.jdt.core 3.9.0' but it could not be found